<%--
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  User: jiangxuchuan
  Date: 2022/1/5
  Time: 20:24
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--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>built_in_objects</title>
</head>
<body>
    <!-- 一些常用的jsp内置对象 -->
    <%
        String url = request.getRequestURL().toString();
        response.getWriter().print("<h1>"+url+"</h1>");
    %>
    <%
        String footer = application.getInitParameter("footer");
        response.getWriter().print("</hr>"+footer);
    %>
</body>
</html>
